Icon for a portion of display screen



A concurrently filed design U.S. Application Ser. No. 29/314,268 by the same applicants for an icon of a closed envelope with associated lock where shading is not shown.

The FIGURE is a front view of an icon for a portion of a display screen showing our new design.

The broken line showing of a portion of a display screen is for the purpose of illustrating environmental structure and forms no part of the claimed design.

The icon shows a closed envelope associated with a lock. 

The ornamental design for an icon for a portion of a display screen, as shown and described. 